Electrical heating apparatus.



No. 888,923. PATENTED MAY 26, 1908. R. G. PHBYSEY.

ELECTRICAL HEATING APPARATUS.

APPLIOATION FILED AUG. 22, 1907.

WITNESSES:

RICHARD G. PHEYSEY, OF ONTARIO, CALIFORNIA.

ELECTRICAL HEAHNG APPARATUS.

Specification of Letters Patent.

Patented May 26, 1908.

Application filed August 22. 1907. Serial No. 389.651.

To all whom it "may concern:

Be it known that I, RICHARD (l. PHFiYSlCY, l a subject of Great Britain, residing at Ontario, county of hzm Bcrnurdino, and State of California, have invented a certain new and useful Improvement in Electrical lieu-ting Apparatus, of which the following is a specification. 4 I

My invention relates to a new and useful improvement in electrical heating apparatus, I and has {or its object to simplify and cheapen the construction of various devices intended to be heated by electricity, such as laundry irons, stoves and the like, and a further objcct of my invention is to bring the heating coils in direct contact with the surface to be hcatcd and surround said coils on-all other sides with a heat non conducting material which will prevent the escape ofheat in any direction except toward and to the surface to beheatcd. 1

A further object of my invention is to form the'heat-ing surface from sheet metal and to inc-lose the heating coils in a sheet metal shell, and a still further object of my invention when applied to a laundry iron is to provide a cast metal lid of 'sullicient weight to make up the proper weight of the iron.

With these ends in.vie\v, this invention consists in thedctails of construction and combination of elements hereinafter set forth and then specifically designated by" the claims.

In order that those skilled in the art to which this invention appertains may understand how to make and use the same I will describe its construction in detail, referring by letter to the accompanying drawing forming a part of-this specification, in which Figure .l is alo-ngitudinal section of my in vention as embodied in.a laundry iron. Fig. 2, a plan view of the sheet metal piece which holds the hcatcrs in place: Fig. 3, an end elevation of the sheet mctalholding piece. Fig. 4, a plan view. of the sheet metal shell. Fig. 5, an end view of the sheet mctulshell, .a part beingbroken away and sectioned. Fig. 6, a side view of one-ol' the cores of the heating coils. Fig. 7, an end view of the coil.

In car ing out my invention as here omhodied, represents a sheet metal shell which may be stamped or otherwise formed into the general shape of a laundry iron, and B is a sheet metal plate which tits upon the bottom of said iron and having'the recess (l i formed therein for the reception of the heating coils 1), each coil having a core E of the; shape shown in Fig. 6 so as to lit in the recess and hold the coils in place; the plate B has the ribs F formed therewith for. partiallyin f closing the coils and also the brid e G for p tecting the terminals H of said chils and wise the plate as the raised portion is formed at the opposite end to protect the terminals or connections between the coils, as will be}; readily understood. a

J represents the heat non conducting ma' v terial which is. filled around the space'occu. pied by the coils so as to prevent the escape g.

ofheat in any direction other than into plate B thus avoiding the other parts of the ironfrom becoming heated and the heat being wasted by. radiation, and K represents a cast metal lid of relatively considerable 3 Weight which is fitted into the shell there secured by the screws L. This shell also has the holes M formed therein for'the'. securement of the terminals H and the bindin posts H. v Wh'Ie I have here shown In inventiofiaa. embodied in a laundry iron I 0 not wish t'o; be limited to this use of the same as it also especially adapted for electriestoves ranges and the like or any device whereit is desired to heat only one surface and prevent.

the heat from escaping through thi itllr portions thereof.

Having thus fully described my iiweiiwj'- tion, what I claim as new and useful, is": 9o 1. As a new article. of 'miumfacture, an electric heating apparatus consisting oi a.' sheet'metal shell, a heater plate secured a; said shell and havin a recess formed therein for the reception 0 the heating coils, saidcoils being surrounded on the remaining sides by a heat non conductin material, and ter&.,;.- minals secured in the she l, as specified. i 2. In an electric heating appaiatns, the combination of a sheet metal shell, a heater plate secured to said shell, a recess formed in said heater plate, coils located in said recess and in contact with said plate, off-set cores passing through the coils for holdin them in place, heat non conducting materia 5 surrounting the coils except that portion thereof which is exposed to the heater plate, and a lid secured within. the shelland upon the heat non conducting material, asv and for the purpose set forth.

3. In an electric heating apparatus. the combination of a sheet metal shell. s. heater bridges also carried by the heater,

plate secured to said shell, a recess formed 1 in said heater plate, coils located in said recess end in contact with said plate, oll eet cores passing through the coils for holding them in place, heat non conducting material f surrounding the coils except that portion; thereof which is exposed to the heete plate, 1 and termintils secured in the shell and electllofilly connected with the coils, as specified.

4'. lo. a. laundry iron, a sheet metal shell, a! heater plate secured to said shell, rihs carby said heater plate so na to form a cess, heating coils located within said coils, heat non conducting material surrounding: the (oils except that portion thereof which comes in contact with the heater plate, and a cast metal lid secured Within the shell and of eulliei'ent weight to give the proper weight to the iron, as specified.

In testimony whereof,- l have hereunto aliixed my signature in the presence of two subscribing \x'itnesses.

RICHARD (luPlllGlf'SE Y.

\Vi messes:

T. E. PARKE, E. G. PARKE. 

